Firmest
firm（坚固的, 坚牢的）的最高级形式
🗣️ 情景例句
The bet is -- I win, and you cook dinner for the entire family.
这样赌好了， 要是我赢了， 全家晚餐你来煮。
It is better to be safe than sorry.
事后追悔不如事前稳妥。
I think our manager will persuade the government to let him build a new factory.
我想经理会说服政府让他建新厂的。